Honeywell Commercial ML6421B1040 Valve Actuator

The Honeywell ML6421B1040 Valve Actuator is a high-performance SPDT, direct-coupled valve actuator designed for precise, 2-position control in HVAC systems. This electric, 24V AC actuator operates with a floating, linear motion and features non-spring return for dependable performance.

Built for durability, it comes in an IP54 enclosure and uses a rugged ABS plastic body, ideal for commercial environments. It handles up to 50/60 Hz power, drawing 11 VA, and delivers 405 in-lb of torque for reliable valve operation across a range of applications. The actuator's compact footprint (7 in W x 7 in D x 12-3/4 in H) fits tight installations while offering a stroke of 1-1/2 inch and a timing of 175 seconds.

Designed for HVAC system integration, it features screw terminal connections for easy wiring and is UL, CSA, and CE approved for safety and compliance. The unit includes a 1/2 inch conduit hub and a 1/2 inch flexible conduit adapter for streamlined installation.

• Type: SPDT, Direct Coupled, Electric, 2-Position, Floating, Linear
• Operating: Non-Spring Return; 24V AC; 50/60 Hz; 11 VA
• Durability: IP54 enclosure; ABS plastic body
• Performance: Torque 405 in-lb; Stroke 1-1/2 inch; Timing 175 seconds
• Applications: HVAC system installations; UL/CSA/CE approved
• Accessories: Includes 1/2" conduit hub and conduit adapter